ling1975
02.10.2019 •
Mathematics
A5-pound bag of apples costs $3.50. at the
same rate, what would be the cost of 7
pounds of apples?
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Ответ:
x = $4.90
Step-by-step explanation:
Let x represent the cost of 7 pounds of apples
5/3.50 = 7/x < (Cross multiplying to solve )
(FRACTION ABOVE)
5x = 7 * 3.50
x = $4.90
Ответ:
Correct me if I'm wrong, but I believe both the answers is q(x) = -51
Step-by-step explanation:
q(x) = 12x -3
q(x) = 12(-4) - 3
q(x) = -48 - 3
q(x) = -51